Package org.apache.calcite.rel.rel2sql

Class SqlImplementor.AliasContext

java.lang.Object

org.apache.calcite.rel.rel2sql.SqlImplementor.Context

org.apache.calcite.rel.rel2sql.SqlImplementor.BaseContext

org.apache.calcite.rel.rel2sql.SqlImplementor.AliasContext

Direct Known Subclasses:

SqlImplementor.MatchRecognizeContext

Enclosing class:

SqlImplementor

public class SqlImplementor.AliasContext
extends SqlImplementor.BaseContext

Implementation of Context that precedes field references with their "table alias" based on the current sub-query's FROM clause.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Map<java.lang.String,RelDataType>	aliases
private boolean	qualified

Fields inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.Context

dialect, fieldCount

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AliasContext(SqlDialect dialect, java.util.Map<java.lang.String,RelDataType> aliases, boolean qualified)	Creates an AliasContext; use SqlImplementor.aliasContext(Map, boolean).

Method Summary

Modifier and Type	Method	Description
SqlNode	field(int ordinal)

Methods inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.BaseContext

getAliasContext, implementor

Methods inherited from class org.apache.calcite.rel.rel2sql.SqlImplementor.Context

addOrderItem, fieldList, toSql, toSql, toSql

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

qualified

private final boolean qualified

aliases

private final java.util.Map<java.lang.String,RelDataType> aliases

Constructor Detail

AliasContext

protected AliasContext(SqlDialect dialect,
                       java.util.Map<java.lang.String,RelDataType> aliases,
                       boolean qualified)

Creates an AliasContext; use SqlImplementor.aliasContext(Map, boolean).

Method Detail

field

public SqlNode field(int ordinal)

Specified by:

field in class SqlImplementor.Context